如何测试我的FIX客户端？我可以使用假的FIX交换吗？

I have implemented my own FIX client, something like QuickFIX. Now I need to test it. Is there a fake FIX exchange somewhere that I can use? Has anyone ever implemented a FIX server that I can use to validate my client? Is there a real exchange from which I can use their test connection to test and validate my fix client?I have implemented my own FIX client, something